Pascal (Lazarus/Delphi)
Pascal (Lazarus/Delphi)
Outlook Send HTML Email with Embedded Images
See more Outlook Examples
This example sends an HTML email with embedded images. Other examples exist for:- Sending plain-text email.
- Sending email with attachments.
- Sending HTML email with embedded images and attachments.
This example applies to: Exchange Online | Office 365 | Hotmail.com | Live.com | MSN.com | Outlook.com | Passport.com
Chilkat Pascal (Lazarus/Delphi) Downloads
program ChilkatDemo;
// Demonstrates using the Chilkat Pascal wrapper via the C bridge DLL.
// Builds as a console application under Lazarus (FPC) or Delphi.
{$IFDEF FPC}
{$MODE DELPHI}
{$ENDIF}
{$APPTYPE CONSOLE}
uses
{$IFDEF UNIX}
cthreads,
{$ENDIF}
SysUtils,
CkDllLoader,
Chilkat.Http,
Chilkat.StringBuilder,
Chilkat.HttpResponse,
Chilkat.BinData,
Chilkat.JsonObject;
// ---------------------------------------------------------------------------
procedure RunDemo;
var
success: Boolean;
http: THttp;
bCrlf: Boolean;
sbHtmlBody: TStringBuilder;
jpgStarfish: TBinData;
jpgHedgeHogs: TBinData;
json: TJsonObject;
resp: THttpResponse;
begin
success := False;
// Important: This example requires Chilkat v9.5.0.68 or greater.
// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.
http := THttp.Create;
// Use your previously obtained access token here:
// See the following examples for getting an access token:
// Get Microsoft Graph OAuth2 Access Token (Azure AD v2.0 Endpoint).
// Get Microsoft Graph OAuth2 Access Token (Azure AD Endpoint).
// Refresh Access Token (Azure AD v2.0 Endpoint).
// Refresh Access Token (Azure AD Endpoint).
http.AuthToken := 'MICROSOFT_GRAPH_ACCESS_TOKEN';
// To send mail, we'll POST to the following endpoint:
//
// POST /users/{id | userPrincipalName}/sendMail
//
// (The special keyword "me" may be used in place of a principal name.)
//
// This example will send HTML email containing the following HTML body.
// After the
// <html>
// <head>
// <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
// <meta content="text/html; charset=utf-8">
// </head>
// <body bgcolor="#FFFFFF">
// <font face="Calibri">This is a test <b>HTML email with embedded images</b>.<br>
// <br>
// <img alt="" src="cid:starfish"><br>
// <img alt="" src="cid:hedgehogs"><br>
// </font>
// </body>
// </html>
// Build the HTML body...
bCrlf := True;
sbHtmlBody := TStringBuilder.Create;
sbHtmlBody.AppendLine('<html>',bCrlf);
sbHtmlBody.AppendLine('<head>',bCrlf);
sbHtmlBody.AppendLine('<meta http-equiv="Content-Type" content="text/html; charset=utf-8">',bCrlf);
sbHtmlBody.AppendLine('<meta content="text/html; charset=utf-8">',bCrlf);
sbHtmlBody.AppendLine('</head>',bCrlf);
sbHtmlBody.AppendLine('<body bgcolor="#FFFFFF">',bCrlf);
sbHtmlBody.AppendLine('<font face="Calibri">This is a test <b>HTML email with embedded images</b>.<br>',bCrlf);
sbHtmlBody.AppendLine('<br>',bCrlf);
sbHtmlBody.AppendLine('<img alt="" src="cid:starfish"><br>',bCrlf);
sbHtmlBody.AppendLine('<img alt="" src="cid:hedgehogs"><br>',bCrlf);
sbHtmlBody.AppendLine('</font>',bCrlf);
sbHtmlBody.AppendLine('</body>',bCrlf);
sbHtmlBody.AppendLine('</html>',bCrlf);
// Load the image files.
jpgStarfish := TBinData.Create;
jpgStarfish.LoadFile('qa_data/jpg/starfish.jpg');
jpgHedgeHogs := TBinData.Create;
jpgHedgeHogs.LoadFile('qa_data/jpg/hedgehogs.jpg');
// The body of the POST request contains JSON that specifies the email subject, body,
// recipients, etc. This example will build the following JSON HTML email:
//
// {
// "message": {
// "subject": "Sample HTML Email with Embedded Images",
// "body": {
// "contentType": "html",
// "content": "The HTML body goes here..."
// },
// "toRecipients": [
// {
// "emailAddress": {
// "name": "Chilkat Software",
// "address": "admin@chilkat.io"
// }
// },
// {
// "emailAddress": {
// "address": "chilkat.support@gmail.com"
// }
// }
// ],
// "ccRecipients": [
// {
// "emailAddress": {
// "name": "Chilkat Blog",
// "address": "admin@cknotes.com"
// }
// }
// ],
// "attachments": [
// {
// "@odata.type": "#microsoft.graph.fileAttachment",
// "name": "starfish.jpg",
// "contentType": "image/jpeg",
// "size": 6497,
// "isInline": true,
// "contentId": "starfish",
// "contentLocation": null,
// "contentBytes": "base64_data_here"
// },
// {
// "@odata.type": "#microsoft.graph.fileAttachment",
// "name": "hedgehogs.jpg",
// "contentType": "image/jpeg",
// "size": 48845,
// "isInline": true,
// "contentId": "hedgehogs",
// "contentLocation": null,
// "contentBytes": "base64_data_here"
// }
// ]
// },
// "saveToSentItems": true
// }
//
// Build the above JSON.
json := TJsonObject.Create;
json.UpdateString('message.subject','Sample HTML Email with Embedded Images');
json.UpdateString('message.body.contentType','html');
json.UpdateString('message.body.content',sbHtmlBody.GetAsString());
json.UpdateString('message.toRecipients[0].emailAddress.name','Chilkat Software');
json.UpdateString('message.toRecipients[0].emailAddress.address','admin@chilkat.io');
json.UpdateString('message.toRecipients[1].emailAddress.address','chilkat.support@gmail.com');
json.UpdateString('message.ccRecipients[0].emailAddress.name','Chilkat Blog');
json.UpdateString('message.ccRecipients[0].emailAddress.address','admin@cknotes.com');
json.UpdateString('message.attachments[0]."@odata.type"','#microsoft.graph.fileAttachment');
json.UpdateString('message.attachments[0].name','starfish.jpg');
json.UpdateString('message.attachments[0].contentType','image/jpeg');
json.UpdateInt('message.attachments[0].size',jpgStarfish.NumBytes);
json.UpdateBool('message.attachments[0].isInline',True);
// This contentId must match the "cid:" in the HTML
json.UpdateString('message.attachments[0].contentId','starfish');
json.UpdateNull('message.attachments[0].contentLocation');
json.UpdateBd('message.attachments[0].contentBytes','base64',jpgStarfish);
json.UpdateString('message.attachments[1]."@odata.type"','#microsoft.graph.fileAttachment');
json.UpdateString('message.attachments[1].name','hedgehogs.jpg');
json.UpdateString('message.attachments[1].contentType','image/jpeg');
json.UpdateInt('message.attachments[1].size',jpgHedgeHogs.NumBytes);
json.UpdateBool('message.attachments[1].isInline',True);
// This contentId must match the "cid:" in the HTML
json.UpdateString('message.attachments[1].contentId','hedgehogs');
json.UpdateNull('message.attachments[1].contentLocation');
json.UpdateBd('message.attachments[1].contentBytes','base64',jpgHedgeHogs);
json.UpdateBool('saveToSentItems',True);
// -------------------------------------------------------------
// Important: This example requires Chilkat v9.5.0.68 or greater.
// -------------------------------------------------------------
// Send the HTTP POST (i.e. send the HTML email)
resp := THttpResponse.Create;
success := http.HttpJson('POST','https://graph.microsoft.com/v1.0/me/sendMail',json,'application/json',resp);
if (success = False) then
begin
WriteLn(http.LastErrorText);
Exit;
end;
// The send succeeded if the response status code = 202.
// In the success case, there is no response body. (We just get the response code to know that it succeeded.)
if (resp.StatusCode <> 202) then
begin
json.Load(resp.BodyStr);
json.EmitCompact := False;
WriteLn(json.Emit());
WriteLn('Failed, response status code = ' + resp.StatusCode);
end
else
begin
WriteLn('Outlook HTML Mail Sent.');
end;
http.Free;
sbHtmlBody.Free;
jpgStarfish.Free;
jpgHedgeHogs.Free;
json.Free;
resp.Free;
end;
// ---------------------------------------------------------------------------
begin
try
RunDemo;
except
on E: Exception do
WriteLn('Unhandled exception: ', E.ClassName, ': ', E.Message);
end;
WriteLn;
{$IFDEF MSWINDOWS}
WriteLn('Press Enter to exit...');
ReadLn;
{$ENDIF}
end.